Pump



July 10, 1928. l ,676,391

G. A. HuMAsoN ET AL El. @gw

JulyvlO, 1928. L676539l G. A. HUMAsoN ET AL I PUMP Original Filed Mayl4, 1926 5 Sheets-,Sheet 2 'lll autor nu! July-10, 1928.

A(5'. A. HUMSON ET AL PUM P original Filed May 14, 192e 5 Sheets-Sheet 3 atto: wij

July l0, 1928.

1,676,391 G. A. HuMAsoN ET Al.

PUM P Original File/d. May 14, 1926 5 Sheets-Sheet 4 July 1o, 192s.

G. HUMASON ET Al..

PUM P original Filed May 14, 1926 5 sheets-sheet 5 @ttor n.611

Patented July 10, 1928.

' Y GRANVILLE HUMASON AND WILLIAM KL.

' 1,676,391 MET oFFicE.

CHILDS, OF HOUSTON, TEXAS; SAID CHILDS ASSIGNOR TO REED ROLLER BIT COMPANY, 0F HOUSTON, TEXAS, AND SAID HUMA- SON ASSIGNORTO J. A. LOGAN, `OIE HARRIS COUNTY, TEXAS.

` PUMP: I'

Application led May 14, 1926, Serial v Our invention relates to an improvement in pumps and is particularly applicable to pumps of the reciprocating type employed in deep well operations in obtaining oil, water, etc., from great depths.

It is an object of the invention to provide by fluid may be forced into the pump barrel to carry away with it sand or other `foreign material tending to clog the pump. .Referring to the drawing herewith, Figs.

f 1, 2 and 3 show the top, central and lower end of a pump barrel with our improvement shown connected therein, the parts being shown mostly in central vertical sections. Fig. 4 is a transverse section on the plane 4 4 of Fig. 1. Fig.. 5 is al transverse section on the plane 5 5 of Fig-3. Fig. 6

is a similar section on the line 6 6 of Fig.

3, and Fig. 7 is a transverse section on the line 7 7 of F ig. 3. Figs. 8, 9, 10, 11 and 12 are central vertical sections beginningv with the upper end and connected in order downwardly to the lower end, Fig. 8 being.

the upper end, Fig. 12 being the lower section and-the intermediate sections being connectedin order of sequence, and illustrating a different embodiment of the invention. Fig. 13 is a transverse section on the plane 13 13 of Fig. 10.. Fig. 14 is a transverse section on the plane 14--14 of Fig. 8. Fig. 15 is a similar section on the plane 15 15 of Fig. 11. Fig. 16 is a view similar to Fig. l1, but showing a modification thereof. Fig. 17 is-a transverse section on the plane 17--17 of Fig. 16. Like numerals of reference are applied to designate like parts in all the views.

In the drawing, we have shown the usual outer casing 1 of the well, said casing being connected at its lower end to a s'hoe 2 having an internal seat- 3 therein to receive a seal member 4 which is preferably of some soft material adapted to be compressed: some- No.. 109,137. Renewed May 18, 1928.

what by the standing valve when it is secured in position. l

Within the casing is the pump barrel 5.

Said pump barrel extends from the surface downwardly to the lower endof the well where it is connected with a plug 6 vscrewed within the lower end of the pump barrel at its upper end and having its lower end recessed and threaded for attachment at 7 with a pipe or screen v8 extending downwardly into the liquid whichis to 'be pumped. The plug 6 has a central passage therethrough threaded at its upper end for engagement at 9 with the Astanding valve structure 10. At the lower end of the vthreaded passage is connected the inlet pipe or gas anchor 11. The plug 6 has a plurality of channels 12 therein extending` fromv the space between the tubing and the casing inwardly and upwardly to discharge within the pump barrel adj acent the standing valve. The upper ends of the passages 12 are normally closed by means of a valve ring 14 fitting over the upper ends of said openings.

The standing valve l() extends upwardly within thetubing for a suitable distance to engage with the plunger. There are a Series of lugs 15 on the tube l0 which form the body of the standing valve, `said lugs acting to limit the movement of the valve ring 14. The tube 10 is threaded at its upper end withinf the lower end 17 of acoupling member 18. Said coupling member has its upper esl end recessed at 19 fo a short distance and'is screwed downwardly within the coupling member 18, as will be later described.

The section 21 of the standing valve structure is enlarged slightly at its upper end to provide a head 23, the outer ,surface` of which is threaded to engage .with the valve cage 24. Said Valve cage is of ordinary construction having its lower `end threaded internally and havinga shoulder 25 to engage fthe upperI rim of the iange 26 upon the valve seat 27. The upper end ofthe cage is, however, squared at 28 to receive the lower square socket 29 Aupon ,the head 30 of the plunger.

Between the lower end 31 of the valve cage and the upper end 32 of the coupling 18, we have placed a series of packin rings 33. Said packing vrings may be of ru ber or,

l some compressible composition, resistant to wear and to the action of the oil.

' The pump plunger has a head member 30, previously referred to, which is connected at its lower end to a barrel 34 which is of the same diameter as the outer surface of the standing valve. The barrel extends downwardly over the standing valve and makes a close sliding lit with the packing rings 33.

yso

The upper end of the head 30 is threaded\ for engagement with 'the valve cage 35 having an upper threaded shank 36'for enga ement with the sucker rod. ",Thereis a va ve seat 37 and a ball valve 38"'therein of ordinary construction. The lower head 30 of the plunger is formed with a four-sided socket39 therein to fit upon the'squared upper' end 28 of the standing valve so that when the plunger is lowered the socket 39 will seat upon the end 28 of the standing valve and serve to screw the lower threaded end 20 within` the coupling 18 and thus compress the packing between .the shoulders formed at 31 and 32 respectively. In this manner thepacking may be compressed to lexpand 'the same .whenever wear occurs inthe operation of the'pump.

It is contemplated that the sand or other sediment lodging about the lower end of the standing valve 10 may be washed away and carried in suspension upwardly towardthe surface b means of water or otherliquid pumped ownwardly through the space between the casing and the tubing and entering the channels 12, raising the ring valve 14and flushing the sand upwardly into the current of liquid which is being pumped, thus carrying it to the surface and clearing the pump of sand. The ring valve' 14 is preferably formed in the shape shown in Fig. 6 with channels 41 adjacent the standing valve and channels 42 ad'acent the barre This particular form o ring valve is not required, however, and we do not wish to be limited to this particular form.

When the pump plungerv is moved downwardly to engage the upper end of the standing valve to "compress the packing, the

lower end of the plunger will assume a position shown `approxin'iately in Fig. 2. It may be then withdrawn to its proper position -and the pumping continued.

standingvalve-'together so as to still further compress and expand the packing, as previously described.

f ln Figs. 8 to-17 inclusive, we have shown a modification of the invention.l The pump plunger has a head 30 with the valve seat 37, the valve 3,8, and valve` cage 35, as in the other embodiment. Thehead 30 has on. its. lower end, within the pump barrel 34', a pair of downwardly projecting fingers 45, the lower ends of which are tapered to be guided into one of vthe pairs vof lateral recesses 46y at the upper endof the valve cage 24', upon the 'standing v'alve structure.,

- The saidstanding valvehas its cage 24 formed with a cross-shaped upper end 28 with the sides taperedto guide theingers 45 into one 'of the opposite pair of' recesses, as shown in Fig. 14. The rotation of the plunger can thus rotate vthe standing valve. rlhe body 23 of the standing valve has its lower end 21 threaded. to engage within the coupling 18', as in the previous embodiment. rlhe upper end of said coupling supports a short sleeve 47, the upper end of which is beveled to a ridge at 48. Above said ridge 48 is a ring 49 of compressible material, the lower side of which seats on said ridge 47 and the upper side of which is ridged to engage in a groove upon the lower side of a ring 50 of rigid material. Above the ring 50 is a second ring 49. As many alternate rings 49 and 50 maybe used as desired. Above the upper `ring 49 is a ring 51 of rigid material, the upper face ofV which is tapered upwardly to form a seat for rings 52 of compressible material. At the upper end of'said rings 52 is another set of rings 51, 49 and 50, as at the lower end, and, at the said upper end, the beveled or ridged ends ofthe rings are presented downwardly and the grooved end upwardly. A ring 53 lao at the upper end bears against the head y23 and transmits a thrust downwardly. This packing serves the samel purpose as -does the packing of Fig. 1. It is adapted to expand more readily, however, because of the peculiar shape of rings 49 and 50, whereby one rigid ring fits within the groove of the adjacent compressible ring and thus forces it` laterally so as to more effectively pack oil the passage of liquid.

The coupling 18 is connected with the tube 10, which in turn connects at its lower end with the special packing sleeve interfititing with the lower end of the pump barre The sleeve 34 constituting the barrel of the plunger fits over the surface of the standing valve structure with its packing means 47 to 52 inclusive and will be adapted to eX- pand the said packing when wear occurs. The lower end of the plunger has a tubular nut 54 thereon which extends inwardly at a point below'the coupling 18 but which will llO engage therewith when saidiplunger is withdrawn from the well. y The packing sleeve 48 referred to is secured to the lower end of saidstanding valve tube 10 and has its walls thickened so that its outer diameter nearly fills the pump barrel and the 'coupling 55 thereon which connects it to the nipple 60. The lower end of the sleeve 48 yis reduced in diameter, thus form. ing' a tapered shoulder 61 and a squared shoulder 62 below the tapered shoulder.

The tapered shoulder 61 fits upon a tapered seat 63 upon the nipple 60 and the reduced part 64 of the sleeve 48 forms a seat for packing rings 65 of compressible material closing off the space about the sleeve.

The lower end of the sleeve 64 is threaded for engagement with a tube 67 which has an upper shoulder 68 to support a sleeve 69 acting to receive and support the pack- .ing rings 65. The lower end of the tube 67 fits slidably within the nipple 60 which is fconnected at its lower end to a strainer 70 er. The

by means of a coupling 71. It also is con= nected` internally to a gas anchor 72 by any preferred means. This sleeve 48 and the packing means thereon fit within the nipple 60 so that it may be removed with the plungpacking may be compressed to tighten it through the rotation of the standing valveas previously noted. Said rotaltion will screw the sleeve 48 downwardly into the tube 67 in an obvious manner, thus drawing said tube up and compressing the IIt has an internal seat to receive packing 7 7Y composed of rings assembled to form a' tapered interior to receive the tapered lower end 78 of the tubing 5. The packing rings 77 may be compressed by means of a gland 79 when required. n

A plurality of passages 80 extend inwardly `and upwardly in the coupling from the casing into the interior of the collar 74.to direct fluid into the space about the lower end of the standing valve construction and prevent the lodgment of sand therein. Valve cages 81 with valves 82 therein-close the upper ends of said passages, preventing the back flow of fluid from the lnterior of the well casing.

It will be noted that the operation of the two embodiments of the invention are prac7` tically identical, but the differences in construction have advantages when used in the situation to which they are adapted. The` Fig. 11 construction has advantages overy that shown in Fig. 3 where wear and vibral tion tend to loosen the packing and where 'i it is necessary to frequently withdraw the.`

pump and valves for repair.

It is. believed that t-he operation of the device will be apparent without further description.

Having thus described our invention, what we claim as new and desire to protect by Letters Patentis:

standing valve at the lower end thereof, said valve including a tube, a valve atthe upper end and packing rings lon the outer face thereof, a plunger adapted to telescope over said standing' valve l and means on said plunger to engage said standing valve to compress said packing.

2. A pump including a pump barrel, a standing valve tube projecting upwardly from the lower end of said barrel, a coupling insaid tube having a shoulder on the upper end thereof, a valve head on said tube, acking rings between said head and said s oulder, said head being polygonal on its outer surface, a plunger telescoping over said standing valve tube, and a socket in said plunger to engage said polygonal head upon said standing valve.

3. A pump including a pump barrel, a standing valve tube in said barrel, a coupling in said tube having an upper shoulder, a valve head on said tube having a polygonal outer surface, packing rings between said head and shoulder adapted to be compressed by rotation of said head, a plunger adapted to telescope over said standing valvetube tube, packing adjacent said joint, a plunger adapted to telescope over said standing valve tube, and engage therewith to transmit rotation thereto tovscrew up said joint to compress said packing.

5. In a pump including a pump barrel, a

` 1. A'pump comprising a pump barrel, a

standing valve tube secured within the lower end thereof, and projecting upwardly within said pump barrel, packing'on the outer face of said standing valve, said packing including rigid rings 'ridged Aon one side, and intervening rings `of compressible material having grooves therein to receive said ridges, whereby said compressible rings may be expanded by said rigid rings, a plunger telescoping over said standing valves and means including said plunger to compress 1 said packing rlngs. n

6. In a pump including a pump barrel, a

standing valve tube secured within the lower end thereof, and projecting upwardly withiny 4terial having grooves therein to receive said ridges, whereby said compressible rings may be expanded by said rigid rings, a plunger telescoping over said standing valve, and means including co-acting parts on said sianding valve `engaging said plunger to compress said packing rings.

`7'. In a pump including a pump barrel, a

sleeve at the lower end thereof, a plunger l5 in said pump barrel, and a. standing lvalve fitting within said sleeve, packing rings between said standing valve and said sleeve and means to compress saidLpacking longitudinally, including means on said plunger 20 engaging said standing valve for rotation thereof.

In testimony whereof we. hereunto atlix our signatures'this 6th day of May,

GRANVILLE A. HUMASON. WILLIAM L. eniLns.V A 

